Ronstan Series 70 BB Orbit Block - Cheek RF75151 MEDIUM KEEL BOAT Ratchet ) heavy lacing

) heavy lacing

Each valve has 3 hose barb sizes which can be cut off to meet required hose size

The smoothed foam edges and neoprene forms a smooth aerodynamic contour to the body reducing drag and increasing performance

Mounting: 2xM4

Ronstan Series 70 BB Orbit Block - Cheek RF75151 MEDIUM KEEL BOAT Ratchet ) heavy lacingBall Bearing Orbit Blocks boast the highest strength to weight ratio available. This is achieved through all composite reinforced polymer materials and a Dyneema rope link head. Their precision design allows the optimum number of ball bearings in loaded areas and eliminates them in inactive areas. Ineffective mass is reduced even further through fibre reinforced composites in the block head, cleat arms and beckets. Specifications Sheave 70 mm Max.